G.Skill Trident Z RGB Series, designed specifically for AMD Ryzen X570 and B550 Series; Intel Z490 and newer. Certified motherboards: https://gskill.com/qvl/165/166/1608538966/F4-4000C18D-32GTZR-Qvl 32GB kit containing 2 x 16GB modules, DDR4-4000, 288-Pin, CAS Latency CL18 (18-22-22-42) at 1.40V Brand: G.SKILL, Series: Trident Z RGB, Model: F4-4000C18D-32GTZR XMP 2.0 profile support to reach up to the rated overclock speed, or run at default JEDEC profile speed. ECC: No, Dual Channel Kit, Recommended Use: High Performance or Gaming Memory Rated XMP frequency & stability depends on MB & CPU capability Check G.Skill QVL or RAM Configurator on the G.Skill website for validated motherboards